Patent · US Active

High holding voltage electrostatic discharge (ESD) device

US8653557B2 · kind B2 · utility

2Cited by

20References

20Claims

0Family size

Assignee

SOFICS BVBA · BE

Inventors

Sven Van Wijmeersch · Gistel, BE
Olivier Marichal · Sint-Niklaas, BE

Key dates

Filing date	Feb 17, 2011
Grant date	Feb 18, 2014
Priority date	—
Expiry date	Mar 23, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH10D8/80

Abstract

A high holding voltage (HV) electrostatic discharge (ESD) protection circuit comprises a silicon controlled rectifier (SCR) device and compensation regions located within the length between the anode and cathode (LAC) of the SCR device which increase the holding voltage of the SCR device. The compensation regions may introduce negative feedback mechanisms into the SCR device which may influence the loop gain of the SCR and cause it to reach regenerative feedback at a higher holding voltage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.